/* Simple A/D Converter Test program */ // Copyright (C)2013-2018, Philip Munts, President, Munts AM Corp. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // * Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGE. #include #include #include #include #define MAX_CHANNELS 8 int main(void) { bool ValidChannels[MAX_CHANNELS]; unsigned channel; cpu_init(DEFAULT_CPU_FREQ); systick_init(100, NULL); serial_stdio(CONSOLE_PORT); printf("\033[H\033[2J%s A/D Converter Test (" __DATE__ " " __TIME__ ")\n\n", MCUFAMILYNAME); printf("CPU Freq:%u Hz Compiler:%s %s %s\n\n", (unsigned int) SystemCoreClock, __COMPILER__, __VERSION__, __ABI__); // Initialize A/D inputs memset(ValidChannels, 0, sizeof(ValidChannels)); for (channel = 0; channel < MAX_CHANNELS; channel++) if (adc_init(NULL, channel) == 0) ValidChannels[channel] = true; for (;;) { for (channel = 0; channel < MAX_CHANNELS; channel++) if (ValidChannels[channel]) printf("ADC%d:%05d ", channel, adc_read(NULL, channel)); putchar('\r'); fflush(stdout); sleep(1); } }